121433240

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{7211}}^1$

素因数の和:7643

約数の個数: 32

約数和(自身を含む): 273911760

約数和(自身を除く): 152478520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 7211, 8420, 14422, 16840, 28844, 36055, 57688, 72110, 144220, 288440, 3035831, 6071662, 12143324, 15179155, 24286648, 30358310, 60716620, 121433240]

約数ペア:

[(1, 121433240), (2, 60716620), (4, 30358310), (5, 24286648), (8, 15179155), (10, 12143324), (20, 6071662), (40, 3035831), (421, 288440), (842, 144220), (1684, 72110), (2105, 57688), (3368, 36055), (4210, 28844), (7211, 16840), (8420, 14422)]